Plz help me , yestarday i bought Laptop ACER Aspire TimelineX 4830TG-2434G64Mnbb LX.RGM02.111 . My latop video card is nVidia GeForce ® GF 540M 2048Mb in shoppping detail . But now latop video card is showing Intel® HD Graphics Family . Why nVidia GeForce ® GF 540M 2048Mb missing in latop . How can fix this problem ? thank for helping . video card is nVidia GeForce ® GF 540M 2048Mb in shoppping detail now showing my latop in Intel® HD Graphics Family